EP 1442423 A2 20040804 - NON-CONTACT IC CARD
Title (en)
NON-CONTACT IC CARD
Title (de)
KONTAKTLOSE CHIPKARTE
Title (fr)
CARTE A CIRCUIT INTEGRE SANS CONTACT
Publication
Application
Priority
- JP 0212429 W 20021128
- JP 2001364084 A 20011129
- JP 2001364085 A 20011129
Abstract (en)
[origin: US2003116634A1] A non-contact IC card includes an information storage unit for storing information, a communication controller for controlling communication with an external device, and a loop antenna for transmitting and receiving a radio wave to and from the external device. The non-contact IC card further includes a changeover switch for changing a communication distance between the external device and the card, so that the cost and size of the card can be reduced. The non-contact IC card can be used both in a long-distance mode and in a contact mode, which ensures high security.
IPC 1-7
IPC 8 full level
G06K 19/07 (2006.01); G06K 19/073 (2006.01); G06K 19/077 (2006.01)
CPC (source: EP US)
G06K 19/0716 (2013.01 - EP US); G06K 19/0723 (2013.01 - EP US); G06K 19/0724 (2013.01 - EP US); G06K 19/07345 (2013.01 - EP US); G06K 19/07749 (2013.01 - EP US); G06K 19/07767 (2013.01 - EP US); G06K 19/07769 (2013.01 - EP US); G06K 19/07779 (2013.01 - EP US); G06K 19/07783 (2013.01 - EP US); G06K 19/07784 (2013.01 - EP US)
Citation (search report)
See references of WO 03046823A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
US 2003116634 A1 20030626; US 6830193 B2 20041214; AU 2002354112 A1 20030610; AU 2002354112 A8 20030610; DE 60209036 D1 20060413; DE 60209036 T2 20060713; EP 1442423 A2 20040804; EP 1442423 B1 20060201; TW 200300910 A 20030616; TW I223775 B 20041111; WO 03046823 A2 20030605; WO 03046823 A3 20040219
DOCDB simple family (application)
US 30426602 A 20021126; AU 2002354112 A 20021128; DE 60209036 T 20021128; EP 02785964 A 20021128; JP 0212429 W 20021128; TW 91134874 A 20021129